A couple produces (A) No motion (B) Purely linear motion (C) Linear and rotational motion (D) Purely rotational motion 0 Physics MCQs Author: sinxoo Report : If answer is wrong. July 31, 2021
Angular momentum is (A) Vector (axial) (B) Vector (polar) (C) Scalar (D) None of these 0 Physics MCQs Author: sinxoo Report : If answer is wrong. July 31, 2021
A 50-volt battery is connected across 10-ohm resistor. The current is 4.5 A. The internal resistance of the battery is (A) 0.5 ohm (B) 5.0 ohm (C) Zero (D) 1.1 ohm 0 Physics MCQs Author: sinxoo Report : If answer is wrong. July 31, 2021
A moving charge will gain energy due to the application of (A) Both of these (B) Magnetic field (C) Electric field (D) None of these 0 Physics MCQs Author: sinxoo Report : If answer is wrong. July 31, 2021
The unit of inductance is equivalent to (A) A x s/v (B) V x s/A (C) V x A/s (D) V/A x s 0 Physics MCQs Author: sinxoo Report : If answer is wrong. July 31, 2021
In a common base transistor circuit, the current gain is 0.98. On changing the emitter current by 5.00 mA, the change in collector current is (A) 2.45 mA (B) 0.916 mA (C) 4.9 mA (D) 5.1 mA 0 Physics MCQs Author: sinxoo Report : If answer is wrong. July 31, 2021
In a Millikan’s oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is (A) 3.9 (B) 4.2 (C) 6 (D) 4 0 Physics MCQs Author: sinxoo Report : If answer is wrong. July 31, 2021
If the earth were to rotate faster, than its present speed the weight of an object will (A) Remain unchanged at the equator but increase at the poles (B) Decrease at the equator but remain unchanged at the poles (C) Increase at the equator but remain unchanged at the poles (D) Remain unchanged at the decrease but decrease at the poles 0 Physics MCQs Author: sinxoo Report : If answer is wrong. July 31, 2021
If the metal bob is a simple pendulum is replaced by a wooden bob, then its time period will (A) Decreases (B) Remain the same (C) First A then B (D) Increas 0 Physics MCQs Author: sinxoo Report : If answer is wrong. July 31, 2021
Steel is preferred for making springs over copper. Why? (A) Steel is less likely to be oxidized (B) Young’s modulus of steel is more than that of copper (C) Young’s modulus of copper is more than that of steel (D) Steel is cheaper 0 Physics MCQs Author: sinxoo Report : If answer is wrong. July 31, 2021